Multifunctional Design: Support real-time measurement, electric field waveform, magnetic field waveform, alarm setting, unit setting, power saving setting, language setting, limit value standard, etc. Colour:White Material:plastic Package Contents: 1 x Radiation Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Large Color Display: Large TFT2.0 color screen with backlight, clear definition with large and colorful font design, real-time display test data, it can easily cope with dim and bright environments to give you a more comfortable experience. Data Lock Function: Equipped with data lock function, one click to lock the radiation value, easy to record the relevant data. High Accuracy Sensor: Built-in magnetic field electric field sensor, can measure the electric field strength, radiation power, magnetic field strength, static magnetic field polarity. Shockproof Housing: The housing is made of plastics material that feels comfortable in the hand, wear and impact , can provide long service time. Portable Size: This handheld electromagnetic radiation detector is portable in size and easy to carry, so you can put it in your bag and take it with you and easily grip it for use.